What is the correct formula for calcium cyanide?

a. ca2cn
b. cn(ca)2
c. ca(cn)2
d. cacn

Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture

Calculate the mass of silver needed to react with chlorine to produce 126g if silver chloride?

Which statement best describes the function of enzymes?